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<div id="overview"><a href="../../../../../apidocs/com/dailydev/jira/containerprovider/ConfigurableContainerProvider.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> com.dailydev.jira.containerprovider;
<a name="2" href="#2">2</a>   
<a name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> java.io.File;
<a name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.io.FileInputStream;
<a name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.io.FileNotFoundException;
<a name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> java.io.IOException;
<a name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> java.util.Properties;
<a name="8" href="#8">8</a>   
<a name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
<a name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> org.picocontainer.PicoContainer;
<a name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> org.picocontainer.defaults.DefaultPicoContainer;
<a name="12" href="#12">12</a>  
<a name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> com.atlassian.jira.extension.ContainerProvider;
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <em class="jxr_javadoccomment">/**</em>
<a name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> * Class {@link ConfigurableContainerProvider} Implements</em>
<a name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> * {@link ContainerProvider} interface to provide configurable Jira</em>
<a name="18" href="#18">18</a>  <em class="jxr_javadoccomment"> * extensibility and replacement of specific implementations of arbitrary Jira</em>
<a name="19" href="#19">19</a>  <em class="jxr_javadoccomment"> * component.</em>
<a name="20" href="#20">20</a>  <em class="jxr_javadoccomment"> * </em>
<a name="21" href="#21">21</a>  <em class="jxr_javadoccomment"> * @author Roman Bosak, roman.bosak@gmail.com</em>
<a name="22" href="#22">22</a>  <em class="jxr_javadoccomment"> * @see <a href="http://confluence.atlassian.com/display/JIRA/Customising+JIRA+code" target="alexandria_uri">http://confluence.atlassian.com/display/JIRA/Customising+JIRA+code</a></em>
<a name="23" href="#23">23</a>  <em class="jxr_javadoccomment"> */</em>
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../com/dailydev/jira/containerprovider/ConfigurableContainerProvider.html">ConfigurableContainerProvider</a> implements ContainerProvider {
<a name="25" href="#25">25</a>  
<a name="26" href="#26">26</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Logger logger = Logger
<a name="27" href="#27">27</a>              .getLogger(ConfigurableContainerProvider.<strong class="jxr_keyword">class</strong>);
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>      <em class="jxr_javadoccomment">/**</em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment">     * </em>
<a name="31" href="#31">31</a>  <em class="jxr_javadoccomment">     */</em>
<a name="32" href="#32">32</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String COMPONENT_IMPLEMENTATIONS_CONFIGURATION = <span class="jxr_string">"atlassian-jira/WEB-INF/classes/componentImplementations.properties"</span>;
<a name="33" href="#33">33</a>  
<a name="34" href="#34">34</a>      <strong class="jxr_keyword">private</strong> DefaultPicoContainer container;
<a name="35" href="#35">35</a>  
<a name="36" href="#36">36</a>      <em class="jxr_javadoccomment">/**</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment">     * </em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment">     */</em>
<a name="39" href="#39">39</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../com/dailydev/jira/containerprovider/ConfigurableContainerProvider.html">ConfigurableContainerProvider</a>() {
<a name="40" href="#40">40</a>          <strong class="jxr_keyword">super</strong>();
<a name="41" href="#41">41</a>      }
<a name="42" href="#42">42</a>  
<a name="43" href="#43">43</a>      <em class="jxr_comment">/*</em>
<a name="44" href="#44">44</a>  <em class="jxr_comment">     * (non-Javadoc)</em>
<a name="45" href="#45">45</a>  <em class="jxr_comment">     * </em>
<a name="46" href="#46">46</a>  <em class="jxr_comment">     * @see com.atlassian.jira.extension.ContainerProvider#getContainer(org.picocontainer.PicoContainer)</em>
<a name="47" href="#47">47</a>  <em class="jxr_comment">     */</em>
<a name="48" href="#48">48</a>      <strong class="jxr_keyword">public</strong> PicoContainer getContainer(<strong class="jxr_keyword">final</strong> PicoContainer parent) {
<a name="49" href="#49">49</a>          <strong class="jxr_keyword">if</strong> (container == <strong class="jxr_keyword">null</strong>) {
<a name="50" href="#50">50</a>              <strong class="jxr_keyword">try</strong> {
<a name="51" href="#51">51</a>                  buildContainer(parent);
<a name="52" href="#52">52</a>              } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> FileNotFoundException e) {
<a name="53" href="#53">53</a>                  logger
<a name="54" href="#54">54</a>                          .error(
<a name="55" href="#55">55</a>                                  <span class="jxr_string">"Component implementations configuration file not found&gt; "</span>
<a name="56" href="#56">56</a>                                          + <strong class="jxr_keyword">new</strong> File(
<a name="57" href="#57">57</a>                                                  COMPONENT_IMPLEMENTATIONS_CONFIGURATION)
<a name="58" href="#58">58</a>                                                  .getAbsolutePath(), e);
<a name="59" href="#59">59</a>              } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException e) {
<a name="60" href="#60">60</a>                  logger
<a name="61" href="#61">61</a>                          .error(
<a name="62" href="#62">62</a>                                  <span class="jxr_string">"Unable to read component implementations configuration file&gt; "</span>
<a name="63" href="#63">63</a>                                          + <strong class="jxr_keyword">new</strong> File(
<a name="64" href="#64">64</a>                                                  COMPONENT_IMPLEMENTATIONS_CONFIGURATION)
<a name="65" href="#65">65</a>                                                  .getAbsolutePath(), e);
<a name="66" href="#66">66</a>              }
<a name="67" href="#67">67</a>          }
<a name="68" href="#68">68</a>          <strong class="jxr_keyword">return</strong> container;
<a name="69" href="#69">69</a>      }
<a name="70" href="#70">70</a>  
<a name="71" href="#71">71</a>      <em class="jxr_javadoccomment">/**</em>
<a name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     * Method buildContainer</em>
<a name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * </em>
<a name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * @param parent</em>
<a name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     * @throws IOException</em>
<a name="76" href="#76">76</a>  <em class="jxr_javadoccomment">     * @throws FileNotFoundException</em>
<a name="77" href="#77">77</a>  <em class="jxr_javadoccomment">     */</em>
<a name="78" href="#78">78</a>      <strong class="jxr_keyword">protected</strong> PicoContainer buildContainer(<strong class="jxr_keyword">final</strong> PicoContainer parent)
<a name="79" href="#79">79</a>              <strong class="jxr_keyword">throws</strong> FileNotFoundException, IOException {
<a name="80" href="#80">80</a>          container = <strong class="jxr_keyword">new</strong> DefaultPicoContainer(parent);
<a name="81" href="#81">81</a>  
<a name="82" href="#82">82</a>          <strong class="jxr_keyword">final</strong> Properties properties = getProperties(getConfigurationFile());
<a name="83" href="#83">83</a>  
<a name="84" href="#84">84</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> Object interfaceClassName : properties.keySet()) {
<a name="85" href="#85">85</a>              <strong class="jxr_keyword">final</strong> String implementationClassName = (String) properties
<a name="86" href="#86">86</a>                      .get(interfaceClassName);
<a name="87" href="#87">87</a>              Class interfaceClass = <strong class="jxr_keyword">null</strong>;
<a name="88" href="#88">88</a>              <strong class="jxr_keyword">try</strong> {
<a name="89" href="#89">89</a>                  interfaceClass = Class.forName((String) interfaceClassName);
<a name="90" href="#90">90</a>              } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> ClassNotFoundException e) {
<a name="91" href="#91">91</a>                  logger
<a name="92" href="#92">92</a>                          .warn(<span class="jxr_string">"Component type class '"</span>
<a name="93" href="#93">93</a>                                  + interfaceClassName
<a name="94" href="#94">94</a>                                  + <span class="jxr_string">"' not found while registering component implementations =&gt; component will not be registered"</span>);
<a name="95" href="#95">95</a>              }
<a name="96" href="#96">96</a>  
<a name="97" href="#97">97</a>              Class implementationClass = <strong class="jxr_keyword">null</strong>;
<a name="98" href="#98">98</a>              <strong class="jxr_keyword">try</strong> {
<a name="99" href="#99">99</a>                  implementationClass = Class.forName(implementationClassName);
<a name="100" href="#100">100</a>             } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> ClassNotFoundException e) {
<a name="101" href="#101">101</a>                 logger
<a name="102" href="#102">102</a>                         .warn(<span class="jxr_string">"Component implementation '"</span>
<a name="103" href="#103">103</a>                                 + implementationClassName
<a name="104" href="#104">104</a>                                 + <span class="jxr_string">"' not found while registering component implementations =&gt; component will not be registered"</span>);
<a name="105" href="#105">105</a>             }
<a name="106" href="#106">106</a> 
<a name="107" href="#107">107</a>             <strong class="jxr_keyword">if</strong> (interfaceClass != <strong class="jxr_keyword">null</strong> &amp;&amp; implementationClass != <strong class="jxr_keyword">null</strong>) {
<a name="108" href="#108">108</a>                 container.registerComponentImplementation(interfaceClass,
<a name="109" href="#109">109</a>                         implementationClass);
<a name="110" href="#110">110</a>             }
<a name="111" href="#111">111</a>         }
<a name="112" href="#112">112</a> 
<a name="113" href="#113">113</a>         <strong class="jxr_keyword">return</strong> container;
<a name="114" href="#114">114</a>     }
<a name="115" href="#115">115</a> 
<a name="116" href="#116">116</a>     <em class="jxr_javadoccomment">/**</em>
<a name="117" href="#117">117</a> <em class="jxr_javadoccomment">     * @return</em>
<a name="118" href="#118">118</a> <em class="jxr_javadoccomment">     */</em>
<a name="119" href="#119">119</a>     <strong class="jxr_keyword">protected</strong> String getConfigurationFile() {
<a name="120" href="#120">120</a>         <strong class="jxr_keyword">return</strong> COMPONENT_IMPLEMENTATIONS_CONFIGURATION;
<a name="121" href="#121">121</a>     }
<a name="122" href="#122">122</a> 
<a name="123" href="#123">123</a>     <em class="jxr_javadoccomment">/**</em>
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment">     * @return</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * @throws FileNotFoundException</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment">     * @throws IOException</em>
<a name="127" href="#127">127</a> <em class="jxr_javadoccomment">     */</em>
<a name="128" href="#128">128</a>     <strong class="jxr_keyword">protected</strong> Properties getProperties(<strong class="jxr_keyword">final</strong> String configFile)
<a name="129" href="#129">129</a>             <strong class="jxr_keyword">throws</strong> FileNotFoundException, IOException {
<a name="130" href="#130">130</a>         <strong class="jxr_keyword">final</strong> FileInputStream propertiesInputStream = <strong class="jxr_keyword">new</strong> FileInputStream(
<a name="131" href="#131">131</a>                 configFile);
<a name="132" href="#132">132</a>         <strong class="jxr_keyword">final</strong> Properties properties = <strong class="jxr_keyword">new</strong> Properties();
<a name="133" href="#133">133</a>         properties.load(propertiesInputStream);
<a name="134" href="#134">134</a>         <strong class="jxr_keyword">return</strong> properties;
<a name="135" href="#135">135</a>     }
<a name="136" href="#136">136</a> }
</pre>
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